/*
 * Copyright (C) 2005-2011 MaNGOS <http://www.getmangos.com/>
 *
 * Copyright (C) 2008-2011 Trinity <http://www.trinitycore.org/>
 *
 * Copyright (C) 2010-2011 ProjectSkyfire <http://www.projectskyfire.org/>
 * 
 * Copyright (C) 2011 ArkCORE <http://www.arkania.net/>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#ifndef ARKCORECORE_PET_H
#define ARKCORECORE_PET_H

#include "ObjectDefines.h"
#include "Unit.h"
#include "TemporarySummon.h"

enum PetType {
	SUMMON_PET = 0, HUNTER_PET = 1, MAX_PET_TYPE = 4,
};

extern char const* petTypeSuffix[MAX_PET_TYPE];

enum HappinessState {
	UNHAPPY = 1, CONTENT = 2, HAPPY = 3
};

enum PetSpellState {
	PETSPELL_UNCHANGED = 0,
	PETSPELL_CHANGED = 1,
	PETSPELL_NEW = 2,
	PETSPELL_REMOVED = 3
};

enum PetSpellType {
	PETSPELL_NORMAL = 0, PETSPELL_FAMILY = 1, PETSPELL_TALENT = 2,
};

struct PetSpell {
	ActiveStates active;
	PetSpellState state;
	PetSpellType type;
};

enum ActionFeedback {
	FEEDBACK_NONE = 0,
	FEEDBACK_PET_DEAD = 1,
	FEEDBACK_NOTHING_TO_ATT = 2,
	FEEDBACK_CANT_ATT_TARGET = 3
};

enum PetTalk {
	PET_TALK_SPECIAL_SPELL = 0, PET_TALK_ATTACK = 1
};

enum PetNameInvalidReason {
	// custom, not send
	PET_NAME_SUCCESS = 0,

	PET_NAME_INVALID = 1,
	PET_NAME_NO_NAME = 2,
	PET_NAME_TOO_SHORT = 3,
	PET_NAME_TOO_LONG = 4,
	PET_NAME_MIXED_LANGUAGES = 6,
	PET_NAME_PROFANE = 7,
	PET_NAME_RESERVED = 8,
	PET_NAME_THREE_CONSECUTIVE = 11,
	PET_NAME_INVALID_SPACE = 12,
	PET_NAME_CONSECUTIVE_SPACES = 13,
	PET_NAME_RUSSIAN_CONSECUTIVE_SILENT_CHARACTERS = 14,
	PET_NAME_RUSSIAN_SILENT_CHARACTER_AT_BEGINNING_OR_END = 15,
	PET_NAME_DECLENSION_DOESNT_MATCH_BASE_NAME = 16
};

typedef UNORDERED_MAP<uint32, PetSpell> PetSpellMap;
typedef std::vector<uint32> AutoSpellList;

#define HAPPINESS_LEVEL_SIZE        333000

#define ACTIVE_SPELLS_MAX           4

#define PET_FOLLOW_DIST  1.0f
#define PET_FOLLOW_ANGLE (M_PI/2)
#define PET_FOCUS_REGEN_INTERVAL 4 * IN_MILLISECONDS

class Player;

class Pet: public Guardian {
public:
	explicit Pet(Player *owner, PetType type = MAX_PET_TYPE);
	virtual ~Pet();

	void AddToWorld();
	void RemoveFromWorld();

	PetType getPetType() const {
		return m_petType;
	}
	void setPetType(PetType type) {
		m_petType = type;
	}
	bool isControlled() const {
		return getPetType() == SUMMON_PET || getPetType() == HUNTER_PET;
	}
	bool isTemporarySummoned() const {
		return m_duration > 0;
	}

	bool IsPermanentPetFor(Player* owner); // pet have tab in character windows and set UNIT_FIELD_PETNUMBER

	bool Create(uint32 guidlow, Map *map, uint32 phaseMask, uint32 Entry,
			uint32 pet_number);
	bool CreateBaseAtCreature(Creature* creature);
	bool CreateBaseAtCreatureInfo(CreatureInfo const* cinfo, Unit * owner);
	bool CreateBaseAtTamed(CreatureInfo const * cinfo, Map * map,
			uint32 phaseMask);
	bool LoadPetFromDB(Player* owner, uint32 petentry = 0, uint32 petnumber = 0,
			bool current = false, PetSlot slotID = PET_SLOT_UNK_SLOT);
	bool isBeingLoaded() const {
		return m_loading;
	}
	void SavePetToDB(PetSlot mode);
	void Remove(PetSlot mode, bool returnreagent = false);
	static void DeleteFromDB(uint32 guidlow);

	void setDeathState(DeathState s); // overwrite virtual Creature::setDeathState and Unit::setDeathState
	void Update(uint32 diff); // overwrite virtual Creature::Update and Unit::Update

	uint8 GetPetAutoSpellSize() const {
		return m_autospells.size();
	}
	uint32 GetPetAutoSpellOnPos(uint8 pos) const {
		if (pos >= m_autospells.size())
			return 0;
		else
			return m_autospells[pos];
	}

	void LooseHappiness();
	HappinessState GetHappinessState();
	void GivePetXP(uint32 xp);
	void GivePetLevel(uint8 level);
	void SynchronizeLevelWithOwner();
	bool HaveInDiet(ItemPrototype const* item) const;
	uint32 GetCurrentFoodBenefitLevel(uint32 itemlevel);
	void SetDuration(int32 dur) {
		m_duration = dur;
	}

	/*
	 bool UpdateStats(Stats stat);
	 bool UpdateAllStats();
	 void UpdateResistances(uint32 school);
	 void UpdateArmor();
	 void UpdateMaxHealth();
	 void UpdateMaxPower(Powers power);
	 void UpdateAttackPowerAndDamage(bool ranged = false);
	 void UpdateDamagePhysical(WeaponAttackType attType);
	 */

	bool CanTakeMoreActiveSpells(uint32 SpellIconID);
	void ToggleAutocast(uint32 spellid, bool apply);

	bool HasSpell(uint32 spell) const;

	void LearnPetPassives();
	void CastPetAuras(bool current);
	void CastPetAura(PetAura const* aura);
	bool IsPetAura(Aura const* aura);

	void _LoadSpellCooldowns();
	void _SaveSpellCooldowns(SQLTransaction& trans);
	void _LoadAuras(uint32 timediff);
	void _SaveAuras(SQLTransaction& trans);
	void _LoadSpells();
	void _SaveSpells(SQLTransaction& trans);

	bool addSpell(uint32 spell_id, ActiveStates active = ACT_DECIDE,
			PetSpellState state = PETSPELL_NEW, PetSpellType type =
					PETSPELL_NORMAL);
	bool learnSpell(uint32 spell_id);
	void learnSpellHighRank(uint32 spellid);
	void InitLevelupSpellsForLevel();
	bool unlearnSpell(uint32 spell_id, bool learn_prev, bool clear_ab = true);
	bool removeSpell(uint32 spell_id, bool learn_prev, bool clear_ab = true);
	void CleanupActionBar();

	PetSpellMap m_spells;
	AutoSpellList m_autospells;

	void InitPetCreateSpells();

	bool resetTalents(bool no_cost = false);
	static void resetTalentsForAllPetsOf(Player* owner, Pet* online_pet = NULL);
	uint32 resetTalentsCost() const;
	void InitTalentForLevel();

	uint8 GetMaxTalentPointsForLevel(uint8 level);
	uint8 GetFreeTalentPoints() {
		return GetByteValue(UNIT_FIELD_BYTES_1, 1);
	}
	void SetFreeTalentPoints(uint8 points) {
		SetByteValue(UNIT_FIELD_BYTES_1, 1, points);
	}

	uint32 m_resetTalentsCost;
	time_t m_resetTalentsTime;
	uint32 m_usedTalentCount;

	const uint64& GetAuraUpdateMaskForRaid() const {
		return m_auraRaidUpdateMask;
	}
	void SetAuraUpdateMaskForRaid(uint8 slot) {
		m_auraRaidUpdateMask |= (uint64(1) << slot);
	}
	void ResetAuraUpdateMaskForRaid() {
		m_auraRaidUpdateMask = 0;
	}

	DeclinedName const* GetDeclinedNames() const {
		return m_declinedname;
	}

	bool m_removed; // prevent overwrite pet state in DB at next Pet::Update if pet already removed(saved)

	Player *GetOwner() {
		return m_owner;
	}

	PetTalentType GetTalentType();
protected:
	Player *m_owner;
	uint32 m_happinessTimer;
	PetType m_petType;
	int32 m_duration; // time until unsummon (used mostly for summoned guardians and not used for controlled pets)
	uint64 m_auraRaidUpdateMask;
	bool m_loading;
	uint32 m_regenTimer;

	DeclinedName *m_declinedname;

private:
	void SaveToDB(uint32, uint8) // overwrited of Creature::SaveToDB     - don't must be called
			{
		ASSERT(false);
	}
	void DeleteFromDB() // overwrited of Creature::DeleteFromDB - don't must be called
	{
		ASSERT(false);
	}
};
#endif
